Term ends Apr 26, 2039 · High confidence
20-year base term ends Apr 4, 2036
Held by Bright Data Ltd.
Filed Apr 4, 2016 as application 15/089,721 · Granted Jul 6, 2021
Base term plus 1117 days of patent term adjustment (USPTO delay)
Today
2016
2039
Clock starts
Apr 4, 2016
Apr 4, 2016
Term ends
Apr 26, 2039
Apr 26, 2039
Granted
Jul 6, 2021
Jul 6, 2021
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,117
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
10
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 1117 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 4, 2016, when this application, 15/089,721, was filed | Apr 4, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1117 days, USPTO patent term adjustment record | Apr 26, 2039 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 26, 2039 | High confidence |
This family
| US 11,057,446 | this patent Apr 2039 | Apr 2039 |
| US 10,616,294 | In force Apr 2036 | Apr 2036 |
| US 11,770,429 | In force Sep 2036 | Sep 2036 |
| US 11,757,961 | In force May 2036 | May 2036 |
| Application 17/943,233 | Pending not computed | not computed |
| US 12,445,511 | In force Apr 2036 | Apr 2036 |
| Application 18/099,956 | Pending not computed | not computed |
| US 12,003,562 | In force Apr 2036 | Apr 2036 |
8 of 10 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 4, 2016 Reel 38184, frame 115 | Shribman, Derry, MR; Vilenski, Ofer, MR | Hola Networks Ltd. | Assignment of Assignor's Interest |
| Oct 30, 2017 Reel 43977, frame 335 | Hola Networks Ltd. | Hola Newco Ltd. | Assignment of Assignor's Interest |
| Jan 24, 2019 Reel 48119, frame 240 | Hola Newco Ltd. | Web Spark Ltd. | Change of Name |
| Jun 22, 2020 Reel 53009, frame 172 | Web Spark Ltd. | Luminati Networks Ltd. | Assignment of Assignor's Interest |
| Mar 31, 2021 Reel 55955, frame 232 | Luminati Networks Ltd. | Bright Data Ltd. | Change of Name |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Apr 2039
Term ends Apr 26, 2039. Maintenance fees still fall due before then
Note
The 1117 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
427
later US patents cite this one
That is top 1% of utility patents granted in 2021 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.